APA (7th ed.) Citation

United States. Department of Agriculture. (1919). Inexpensive ways of keeping food cool. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Inexpensive Ways of Keeping Food Cool. [Washington]: [publisher not identified], 1919.

MLA (9th ed.) Citation

United States. Department of Agriculture. Inexpensive Ways of Keeping Food Cool. [publisher not identified], 1919.

Warning: These citations may not always be 100% accurate.